The Phasor Drill is a sterile, single-use, disposable device intended for use on adult patients during neurosurgical procedures for drilling of cranial and orthopedic bone, with interchangeable quick-connect, 3 bits (diameters 2.70-mm, 5.30-mm, 6.35-mm) with Kit.
A neurosurgical blade used to cut/remove circular sections of the skull vault (calvarium) to provide access to the interior, e.g., for the insertion of a catheter or a neuroscope for diagnosis, or treatments such as, to alleviate intracranial pressure (ICP), obtain cerebrospinal fluid samples, inject radiopaque dyes. It may be used to make several holes for the removal of a bone flap. It is typically a hollow cylinder with a circular, saw-like serrated working edge and a centre drill for guidance. It is an exchangeable device, typically made of high-grade stainless steel, that is attached to a manually rotated handle or to a powered rotary surgical handpiece. This is a single-use device.